Finding the Fourth Proportional to 285,794.24, 394,428.51 and 164,967.98
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Solution
The fourth proportional to 285,794.24, 394,428.51 and 164,967.98 is: 227,674.55
Step by Step Solution
- Step 1: Write the proportion equation
285,794.24 : 394,428.51 = 164,967.98 : x - Step 2: Convert to fraction form
285,794.24/394,428.51 = 164,967.98/x - Step 3: Cross multiply
285,794.24x = 394,428.51 × 164,967.98 - Step 4: Simplify right side
285,794.24x = 65,068,072,576.97 - Step 5: Solve for x
x = 65,068,072,576.97/285,794.24 - Step 6: Final answer
x = 227,674.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.